"A new basal neoceratopsian taxon from the eastern Gobi Desert is described. Yamaceratops dorngobiensis, tax. nov., is probably of late Early Cretaceous age, and occupies a phylogenetic position intermediate between ...

"The late Cretaceous continental deposits of Ukhaa Tolgod, Mongolia, have yielded remains of a new nanhsiungchelyid turtle, Zangerlia ukhaachelys, n.sp. This taxon is based on a single individual that consists of a partial ...

"Since 1850 acanthurids have been regarded as the nearest relatives of some or all tetraodontiform fishes. New evidence suggests that acanthurid similarities with all tetraodontiforms or with balistoids only are not ...

"The South American chaco is centrally situated on the border of the tropics and is xeric-adapted woodland with some open areas, wet places, and savanna. Driest in the center and wettest in the eastern pantanal savanna, ...

"In the present report I document the identity of Rattus pesticulus, a taxon named and described by Oldfield Thomas (1921) from one specimen obtained in northeastern Celebes, with the ricefield rat, R. argentiventer. The ...

"The mammal faunas of seven islands lying off the northeast coast of New Guinea and adjacent to the Bismarck Archipelago have been studied. While a number of characteristic New Guinea elements are lacking, the faunas show ...

"The known distribution of each of 122 species of bats from Peru is summarized. The Andean mountain chain affects these distributions both as a barrier and as a creator of habitat differentiation. Three main distributional ...